| | | Hexagonal stopper NS 14/23 Boro 3.3 | | | | | |
| | | Hexagonal concave stopper NS 24/29 acuate bottom, Boro 3.3 | | | | | |
| | | Hexagonal concave stopper NS 10/19 Boro 3.3 | | | | | |
| | | Hexagonal glass stopper NS 12/21 Boro 3.3 | | | | | |
| | | Hexagonal stopper NS 14/23 Boro 3.3 pack of 10 | | | | | |
| | | Hexagonal stopper NS 29/32 Boro 3.3 | | | | | |
| | | Hexagonal concave stopper NS 24/29 acuate bottom, Boro 3.3 pack of 10 | | | | | |
| | | Hexagonal stopper NS 29/32 amber glass | | | | | |
| | | Hexagonal glass stopper NS 12/21 Boro 3.3 pack of 10 | | | | | |
| | | Hexagonal stopper NS 29/32 Boro 3.3 pack of 10 | | | | | |
| | | Hexagonal stopper NS 34/35 amber glass | | | | | |
| | | Hexagonal stopper NS 34/35 borosilicate glass, clear | | | | | |
| | | Hexagonal concave stopper NS 14/23 amber glass | | | | | |
| | | Hexagonal stopper NS 19/26 Boro 3.3 | | | | | |
| | | Hexagonal stopper NS 19/26 Boro 3.3 pack of 10 | | | | | |
| | | Hexagonal stopper NS 24/29 amber glass | | | | | |
| | | Hexagonal stopper NS 12/21 amber glass | | | | | |
| | | Hexagonal concave stopper NS 10/19 amber glass | | | | | |
| | | Hexagonal stopper NS 19/26 amber glass | | | | | |
| | | Hexagonal stopper NS 34/35 borosilicate glass, clear pack of 10 | | | | | |
| | | Hexagonal concave stopper NS 10/19 amber glass, pack of 10 | | | | | |
| | | Hexagonal stopper NS 12/21 amber glass, pack of 10 | | | | | |
| | | Hexagonal concave stopper NS 14/23 amber glass, pack of 10 | | | | | |
| | | Hexagonal stopper NS 19/26 amber glass, pack of 10 | | | | | |
| | | Hexagonal stopper NS 24/29 amber glass, pack of 10 | | | | | |
| | | Hexagonal stopper NS 29/32 amber glass, pack of 10 | | | | | |
| | | Hexagonal stopper NS 34/35 amber glass, pack of 10 | | | | | |